. >>> we're two days away from the first presidential debate. president obama's campaign trying to lower expectations by saying he is at the disadvantage. >> now challengers tend to do really well in debate. that's been moment we believed all along governor romney probably has more benefit out of this debate potentially than we do. >> gretchen: republican vp nominee paul ryan agrees and says mitt romney will show voters there is a clear choice. >> people will see is who is mitt romney? what kind a president will be and what are the choices i have? that, to me s what matters in this debate and alt debates, which is i know what president obama has done. i know all of these empty promise, broken promises. i know about the ugly stagnant economy. what is mitt romney and paul ryan offering? that's what we'll get out of wednesday. >> gretchen: the denver debate will focus on domestic policy. >>> the search for a houston mom ending in tragedy. police found her body in odessa, texas, more than 500 miles away from her apartment. her ex-boyfriend reportedl